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The aim of this work was to determine a simple and rapid protocol for the extraction of photosynthetic pigments (chlorophylls and carotenoids) from Acacia mangium (Willd.), a pioneer species with rapid growth and that has been used in commercial forests in northern Brazil. The experiment consisted of 4x5 factorial, 4 solvents (ethanol, dimethylsulfoxide (DMSO), N,N-dimethylformamide (DMF), and 80% acetone) and 5 extraction times (24, 48, 72, 96, and 120 hours). The equations used for calculations varied according to the solvent used. For a quantification of the photosynthetic pigment contents of A. mangium it is recommended to use 80% acetone with 84 hours of extraction since this solvent allows the efficient extraction of both chlorophylls and carotenoids with a single protocol.

Comparison between extraction methods of photosynthetic pigments in Acacia mangium